[INFO] cloning repository https://github.com/davidsullins/AdventOfCodeRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidsullins/AdventOfCodeRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsullins%2FAdventOfCodeRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsullins%2FAdventOfCodeRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74418972ddbfa355a705443d6dd0ecd031400e3d
[INFO] checking davidsullins/AdventOfCodeRust against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsullins%2FAdventOfCodeRust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidsullins/AdventOfCodeRust on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidsullins/AdventOfCodeRust
[INFO] finished tweaking git repo https://github.com/davidsullins/AdventOfCodeRust
[INFO] tweaked toml for git repo https://github.com/davidsullins/AdventOfCodeRust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/davidsullins/AdventOfCodeRust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f959b9a3046d88ae9a5374ed4713df1c8478a4e9bde48bb2334dab49cdd5250
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f959b9a3046d88ae9a5374ed4713df1c8478a4e9bde48bb2334dab49cdd5250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f959b9a3046d88ae9a5374ed4713df1c8478a4e9bde48bb2334dab49cdd5250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f959b9a3046d88ae9a5374ed4713df1c8478a4e9bde48bb2334dab49cdd5250", kill_on_drop: false }`
[INFO] [stdout] 0f959b9a3046d88ae9a5374ed4713df1c8478a4e9bde48bb2334dab49cdd5250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c573670d6be6368674439daaf6a8ab6c9e6cd0c011a607621dd59412d98eadf5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c573670d6be6368674439daaf6a8ab6c9e6cd0c011a607621dd59412d98eadf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking enum-set v0.0.8
[INFO] [stderr]     Checking md5 v0.1.1
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking num-traits v0.2.14
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling libpcre-sys v0.2.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tcorp_math_mods v0.1.0
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]     Checking pcre v0.2.3
[INFO] [stderr]     Checking AdventOfCode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/bin/advent7.rs:80:30
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let right = expr.trim_left_matches("NOT ");
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/advent7.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |             panic!(format!("couldn't parse expr {}", expr))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 83 |             panic!("couldn't parse expr {}", expr)
[INFO] [stdout]    |                   --                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/advent6.rs:169:91
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn apply_cmd2(cmd: &str, grid: &mut [[u32; GRID_SIZE]; GRID_SIZE], cmd_head: &str, f: Box<Fn(&mut u32)>) {
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut u32)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/bin/advent7.rs:80:30
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let right = expr.trim_left_matches("NOT ");
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/bin/advent6.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let cmd_tail = cmd.trim_left_matches(cmd_head);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/bin/advent6.rs:170:24
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let cmd_tail = cmd.trim_left_matches(cmd_head);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/advent7.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |             panic!(format!("couldn't parse expr {}", expr))
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 83 |             panic!("couldn't parse expr {}", expr)
[INFO] [stdout]    |                   --                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/bin/advent15.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use] extern crate scan_fmt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/advent6.rs:169:91
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn apply_cmd2(cmd: &str, grid: &mut [[u32; GRID_SIZE]; GRID_SIZE], cmd_head: &str, f: Box<Fn(&mut u32)>) {
[INFO] [stdout]     |                                                                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut u32)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]   --> src/bin/advent6.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let cmd_tail = cmd.trim_left_matches(cmd_head);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/bin/advent6.rs:170:24
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let cmd_tail = cmd.trim_left_matches(cmd_head);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.84s
[INFO] running `Command { std: "docker" "inspect" "c573670d6be6368674439daaf6a8ab6c9e6cd0c011a607621dd59412d98eadf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c573670d6be6368674439daaf6a8ab6c9e6cd0c011a607621dd59412d98eadf5", kill_on_drop: false }`
[INFO] [stdout] c573670d6be6368674439daaf6a8ab6c9e6cd0c011a607621dd59412d98eadf5